Knob Valves | McMaster-Carr

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EAR99

DFARS Specialty Metals

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209 Products

Flow-Adjustment Valves

Precision Flow-Adjustment Valves

High-Pressure Threaded Precision Flow-Adjustment Valves

Withstand at least 6,000 psi in hydraulic and compressed air systems

12 products

Easy-Set Threaded Precision Flow-Adjustment Valves

Color-coded threads and numerical markings ensure consistent, repeatable settings

39 products

Precision Flow-Adjustment Valves with Push-to-Connect Fittings

Insert tubing into the fittings—no heat, solder, or flux required

5 products

Threaded Precision Flow-Adjustment Valves

Adjust flow in small increments for fine control, such as in metering or sampling

33 products

High-Precision Threaded Flow-Adjustment Valves

Adjust flow in smaller increments than other valves for finer control over the flow rate

9 products

Panel-Mount Threaded Precision Flow-Adjustment Valves

Use the hex nut and threads that sit below the handle to install in instrument panels

12 products

Precision Flow-Adjustment Valves with Barbed Fittings

Barbs grip onto tubing for a secure hold

7 products

Plastic Threaded Precision Flow-Adjustment Valves

A lightweight alternative to metal for adjusting flow in small increments

11 products

Easy-Set Plastic Threaded Precision Flow-Adjustment Valves

Color-coded threads and numerical markings ensure consistent and repeatable settings

12 products

Compact Precision Flow-Adjustment Valves with Barbed Fittings

A low-profile body and a narrow port-to-port length to fit into tight spots

2 products

Panel-Mount High-Pressure Threaded Precision Flow-Adjustment Valves

Install in instrument panels with pressures up to 10,000 psi

2 products

Precision Flow-Adjustment Valves for Steam

Precision Flow-Adjustment Valves with Sanitary Quick-Clamp Fittings for Clean Steam

Smooth internal surfaces prevent product buildup and inhibit bacteria growth

7 products

Precision Flow-Adjustment Valves for Chemicals

Threaded Precision Flow-Adjustment Valves for Chemicals

A fluoroelastomer seal and plastic body withstand corrosive solutions

9 products

Precision Flow-Adjustment Valves with Push-to-Connect Fittings for Chemicals

Insert tubing into the fittings—no heat, solder, or flux required

2 products

Precision Flow-Adjustment Valves with Barbed Fittings for Chemicals

Barbs grip onto tubing for a secure hold

3 products

Precision Flow-Adjustment Valves for Food and Beverage

Precision Flow-Adjustment Valves with Push-to-Connect Fittings for Food and Beverage

Insert tubing into the fittings—no heat, solder, or flux required

2 products

Precision Flow-Adjustment Valves with Barbed Fittings for Food and Beverage

Barbs grip onto tubing for a secure hold

2 products

Noncontact Flow-Adjustment Valves

Press down on tubing to adjust flow without contacting the process media

7 products

Panel-Mount Noncontact Flow-Adjustment Valves

Install in instrument panels

1 product

Plastic Noncontact Flow-Adjustment Valves

With no metal parts, they're suitable for wet and harsh environments

1 product

Metering Valves for Abrasive Blasting

Control the amount of abrasive material that your blast hose releases

8 products

Other Products

Manual On/Off Valves

Start and stop flow through a line

21 products

Drain Valves

Vent air or discharge liquids to remove excess fluid from your system

4 products